KDE on Linux used to have something similar in the late 90s - it allowed you to open a website URL as a directory listing, so you could browse the site's asset directories and open image files, etc. Think like a client-side generated version of Apache's index pages, but using your local file manager. It was a plugin to the VFS framework (KIO) the desktop and all the apps use, so it would also work e.g. in Open File d…
> Ripping a music CD into MP3s was similar - you'd open the volume in the file manager and see your tracks along with a virtual folder full of MP3 files. AudioCD KIO is still working the same way. I'm ripping an old audio CD of mine to FLAC as I write this comment. KDE's one of the oldest and best maintained feature is KIO backend. It's still alive and kicking as hard as in 3.5.x days.
Yeah, KIO is an awesome piece of software. Yesterday, a fuse interface was released[1] so that non-KDE software in Plasma also get most of the benefits of KIO.
And speaking of browser tabs, Plasma Browser integration allows to switch to an open tabs from Krunner directly and it works with Firefox, Chrome and Microsoft Edge.
[1]: https://feverfew.home.blog/2020/12/31/kio-fuse-5-0-0-release...